<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <select>
        <option value="fj">福建</option>
        <option value="gd">广东</option>
        <option value="sc">四川</option>
        <option value="hb">湖北</option>
    </select>
    <input type="button" onclick="btnClick()">
    <script src="../黄子怡/demo6.js"></script>
</body>
</html>